11142402001 has 4 divisors (see below), whose sum is σ = 11379474432. Its totient is φ = 10905329572.

The previous prime is 11142401993. The next prime is 11142402017. The reversal of 11142402001 is 10020424111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11142402001 - 2³ = 11142401993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142402091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118536145 + ... + 118536238.

It is an arithmetic number, because the mean of its divisors is an integer number (2844868608).

Almost surely, 2^11142402001 is an apocalyptic number.

It is an amenable number.

11142402001 is a deficient number, since it is larger than the sum of its proper divisors (237072431).

11142402001 is an equidigital number, since it uses as much as digits as its factorization.

11142402001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237072430.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11142402001 its reverse (10020424111), we get a palindrome (21162826112).

The spelling of 11142402001 in words is "eleven billion, one hundred forty-two million, four hundred two thousand, one".